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<div id="main_div" class="container" style="padding-left: 25px; padding-right: 25px">
	<h2> 提交记录 6269 </h2>
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					<th class="col-xs-2"> 用户 </th>
					<th class="col-xs-3"> 题目 </th>
					<th class="col-xs-2"> 状态 </th>
					<th class="col-xs-1"> 得分 </th>
					<th class="col-xs-1"> 用时 </th>
					<th class="col-xs-1"> 内存 </th>
					<th class="col-xs-1"> 语言 </th>
					<th class="col-xs-1"> 代码长度 </th>
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				<tr>
					<td style='font-size:13px'> <a href='/user/profile/AThousandMoon/index.html'> AThousandMoon </a> </td>
<td> <a href='/problem/1004/index.html'> 1004. 【模板题】高精度乘法 </a> </td>
<td> Accepted </td>
<td> 100 </td>
<td style='font-size:13px'> 914.077 ms </td>
<td style='font-size:13px'> 140 MB + 616 KB </td>
<td style='font-size:13px'> C++ </td>
<td style='font-size:13px'> 1.98 KB </td>
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				<tr>
					<th class="col-xs-6"> 提交时间 </th>
					<th class="col-xs-6"> 评测时间 </th>
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				<tr>
					<td style='font-size:13px'> 2018-10-05 11:29:33 </td>
<td style='font-size:13px'> 2019-01-19 14:23:55 </td>
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				<label for="code"> 代码 </label>
				<pre style="background-color:white"><code class="cpp">#include&lt;cstdio&gt;
#include&lt;cmath&gt;
#include&lt;algorithm&gt; 
#define MAXN 4000000
#define Rint register int
using namespace std;
const double PI = acos(-1);
struct complex {
    double x, y;
    complex(double _x = 0, double _y = 0): x(_x), y(_y){}
    inline complex operator = (const complex&amp; o){
        x = o.x;y = o.y;
        return *this;
    }
    inline complex operator + (const complex&amp; o) const {
        return complex(x + o.x, y + o.y);
    }
    inline complex operator - (const complex&amp; o) const {
        return complex(x - o.x, y - o.y);
    }
    inline complex operator * (const complex&amp; o) const {
        return complex(x * o.x - y * o.y, x * o.y + y * o.x);
    }
};
int limit, r[MAXN];
inline void fast_fast_tle(complex *a, int type){
    for(Rint i = 0;i &lt; limit;i ++)
        if(i &lt; r[i]) swap(a[i], a[r[i]]);
    for(Rint mid = 1;mid &lt; limit;mid &lt;&lt;= 1){
        complex Wn(cos(PI / mid), type * sin(PI / mid));
        for(Rint j = 0;j &lt; limit;j += mid &lt;&lt; 1){
            complex w(1, 0);
            for(Rint k = 0;k &lt; mid;k ++, w = w * Wn){
                complex x = a[j + k], y = w * a[j + k + mid];
                a[j + k] = x + y;
                a[j + k + mid] = x - y;
            }
        }
    }
}
int n;
char num[MAXN];
inline void init(complex *a){
    scanf(&quot;%s&quot;, num);
    for(Rint i = 0;i &lt; n;i ++)
        a[i].x = num[n - i - 1] ^ &#x27;0&#x27;;
}
int l, ans[MAXN], len;
complex a[MAXN], b[MAXN];
int main(){
    n = 1000000;
    init(a);init(b);
    for(limit = 1, l = -1;limit &lt;= (n &lt;&lt; 1);limit &lt;&lt;= 1, l ++);
    for(Rint i = 0;i &lt; limit;i ++)
        r[i] = (r[i &gt;&gt; 1] &gt;&gt; 1) | ((i &amp; 1) &lt;&lt; l);
    fast_fast_tle(a, 1);
    fast_fast_tle(b, 1);
    for(Rint i = 0;i &lt;= limit;i ++)
        a[i] = a[i] * b[i];
    fast_fast_tle(a, -1);
    len = n &lt;&lt; 1;
    for(Rint i = 0;i &lt; len;i ++){
        ans[i] += a[i].x / limit + 0.5;
        ans[i + 1] += ans[i] / 10;
        ans[i] %= 10;
    }
    while(len &gt; 1 &amp;&amp; !ans[len - 1]) len --;
    for(Rint i = len - 1;~i;i --)
        printf(&quot;%d&quot;, ans[i]); 
}</code></pre>
				<br />
				
				<label for="result"> 评测结果 </label><div class="row"><div class="col-xs-12"><div class="alert alert-success"><div class="text-center row"><table class="table table-borderless" style="margin:0px"><tr><td class="col-xs-2" style="vertical-align:middle;padding-left:20px;padding-right:20px"><b>Compilation</b></td><td class="col-xs-2" style="vertical-align:middle">N/A</td><td class="col-xs-2" style="vertical-align:middle">N/A</td><td class="col-xs-2" style="vertical-align:middle">Compile OK</td><td class="col-xs-2" style="vertical-align:middle">Score: N/A</td><td class="col-xs-2" style="vertical-align:middle"><a data-toggle="collapse" href="#detail_1" aria-expanded="false" aria-controls="detail_1">显示更多</a></td></tr></table></div><div class="collapse" id="detail_1"><br /><textarea class="form-control" style="background-color: white" rows="8" readonly>Compiling...
Compile success!
</textarea></div></div><div class="alert alert-success"><div class="text-center row"><table class="table table-borderless" style="margin:0px"><tr><td class="col-xs-2" style="vertical-align:middle;padding-left:20px;padding-right:20px"><b>Testcase #1</b></td><td class="col-xs-2" style="vertical-align:middle">914.077 ms</td><td class="col-xs-2" style="vertical-align:middle">140 MB + 616 KB</td><td class="col-xs-2" style="vertical-align:middle">Accepted</td><td class="col-xs-2" style="vertical-align:middle">Score: 100</td><td class="col-xs-2" style="vertical-align:middle"><a data-toggle="collapse" href="#detail_2" aria-expanded="false" aria-controls="detail_2">显示更多</a></td></tr></table></div><div class="collapse" id="detail_2"><br /><textarea class="form-control" style="background-color: white" rows="8" readonly>verdict = Run Finished
time_ms = 914.077292
mem_kb = 143976
Correct Answer
</textarea></div></div></div></div>
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